Those symptoms are mixing refrigerants, fumigants, and the frostbite from refrigerants expanding. It means nothing in the context of this article. The refriger

Those symptoms are mixing refrigerants, fumigants, and the frostbite from refrigerants expanding. It means nothing in the context of this article. The refrigerant at hand here is R-134a and has zero health risks, in fact it's used in inhalers.